Area Code Lookup
What Area Code Is Seaside?
2 area codes serve Seaside · Oregon
Seaside is served by area codes 503, 971. It is located in Oregon.
Area Codes Serving Seaside
Frequently Asked Questions
What area code is Seaside?
Seaside is served by area codes 503, 971. It is located in Oregon.
Why does Seaside have multiple area codes?
As demand for phone numbers increased, NANPA added area codes through splits (dividing the region) or overlays (layering a new code over the same geography). Seaside now has 2 area codes — 503 and 971 — covering the same or overlapping areas.
How do I call Seaside from outside the US?
To call Seaside from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-503-XXX-XXXX). The +1 is the country code for all NANPA countries.